Submission #1073024

#	Time	Username	Problem	Language	Result	Execution time	Memory
1073024		Zicrus	Prisoner Challenge (IOI22_prison)	C++17	30 / 100	18 ms	2140 KiB

prison

#include <bits/stdc++.h>
#include "prison.h"
using namespace std;

typedef long long ll;

int n;

vector<vector<int>> devise_strategy(int N) {
    n = N;
    int x = 2*26;
    vector<vector<int>> res(x+1, vector<int>(n+1));
    for (int i = 0; i <= x; i++) {
        res[i][0] = i&1;
        for (int j = 1; j <= n; j++) {
            bool b = (j >> (12-(i%26)/2)) & 1;
            if ((i&1) && (b != i/26)) {
                res[i][j] = b < i/26 ? -2 : -1;
                continue;
            }
            res[i][j] = (i%26)+1 + 26*(!(i&1) && b);
            if (res[i][j] > x) res[i][j] = 0;
        }
    }
    return res;
}

#ifdef TEST
#include "grader.cpp"
#endif

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 20 / 90